251145363

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{3163}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 404992000

約数和(自身を除く): 153846637

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 597, 1393, 3163, 3781, 4179, 9489, 11343, 22141, 26467, 60097, 66423, 79401, 180291, 420679, 629437, 1262037, 1888311, 4406059, 11959303, 13218177, 35877909, 83715121, 251145363]

約数ペア:

[(1, 251145363), (3, 83715121), (7, 35877909), (19, 13218177), (21, 11959303), (57, 4406059), (133, 1888311), (199, 1262037), (399, 629437), (597, 420679), (1393, 180291), (3163, 79401), (3781, 66423), (4179, 60097), (9489, 26467), (11343, 22141)]